APA-viite

Yousefi, M. G. (1994). Industrialization and Trade Policies of OPEC Countries. Deep & Deep.

Chicago-tyylinen lähdeviittaus

Yousefi, Mohammad Gholi. Industrialization and Trade Policies of OPEC Countries. New Delhi: Deep & Deep, 1994.

MLA-viite

Yousefi, Mohammad Gholi. Industrialization and Trade Policies of OPEC Countries. Deep & Deep, 1994.